JP7821409B2 - 変倍光学系及び光学機器 - Google Patents

変倍光学系及び光学機器

Info

Publication number
JP7821409B2
JP7821409B2 JP2024509953A JP2024509953A JP7821409B2 JP 7821409 B2 JP7821409 B2 JP 7821409B2 JP 2024509953 A JP2024509953 A JP 2024509953A JP 2024509953 A JP2024509953 A JP 2024509953A JP 7821409 B2 JP7821409 B2 JP 7821409B2
Authority
JP
Japan
Prior art keywords
lens group
lens
optical system
focal length
variable magnification
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
JP2024509953A
Other languages
English (en)
Japanese (ja)
Other versions
JPWO2023181903A1 (https=
JPWO2023181903A5 (ja
Inventor
知之 幸島
悠馬 齋藤
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nikon Corp
Original Assignee
Nikon Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Nikon Corp filed Critical Nikon Corp
Publication of JPWO2023181903A1 publication Critical patent/JPWO2023181903A1/ja
Publication of JPWO2023181903A5 publication Critical patent/JPWO2023181903A5/ja
Application granted granted Critical
Publication of JP7821409B2 publication Critical patent/JP7821409B2/ja
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B13/00—Optical objectives specially designed for the purposes specified below
    • G02B13/001—Miniaturised objectives for electronic devices, e.g. portable telephones, webcams, PDAs, small digital cameras
    • G02B13/0015—Miniaturised objectives for electronic devices, e.g. portable telephones, webcams, PDAs, small digital cameras characterised by the lens design
    • G02B13/002—Miniaturised objectives for electronic devices, e.g. portable telephones, webcams, PDAs, small digital cameras characterised by the lens design having at least one aspherical surface
    • G02B13/0045—Miniaturised objectives for electronic devices, e.g. portable telephones, webcams, PDAs, small digital cameras characterised by the lens design having at least one aspherical surface having five or more lenses
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B13/00—Optical objectives specially designed for the purposes specified below
    • G02B13/001—Miniaturised objectives for electronic devices, e.g. portable telephones, webcams, PDAs, small digital cameras
    • G02B13/0055—Miniaturised objectives for electronic devices, e.g. portable telephones, webcams, PDAs, small digital cameras employing a special optical element
    • G02B13/006—Miniaturised objectives for electronic devices, e.g. portable telephones, webcams, PDAs, small digital cameras employing a special optical element at least one element being a compound optical element, e.g. cemented elements
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B13/00—Optical objectives specially designed for the purposes specified below
    • G02B13/001—Miniaturised objectives for electronic devices, e.g. portable telephones, webcams, PDAs, small digital cameras
    • G02B13/009—Miniaturised objectives for electronic devices, e.g. portable telephones, webcams, PDAs, small digital cameras having zoom function
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B13/00—Optical objectives specially designed for the purposes specified below
    • G02B13/18—Optical objectives specially designed for the purposes specified below with lenses having one or more non-spherical faces, e.g. for reducing geometrical aberration
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B15/00—Optical objectives with means for varying the magnification
    • G02B15/14—Optical objectives with means for varying the magnification by axial movement of one or more lenses or groups of lenses relative to the image plane for continuously varying the equivalent focal length of the objective
    • G02B15/144—Optical objectives with means for varying the magnification by axial movement of one or more lenses or groups of lenses relative to the image plane for continuously varying the equivalent focal length of the objective having four groups only
    • G02B15/1441—Optical objectives with means for varying the magnification by axial movement of one or more lenses or groups of lenses relative to the image plane for continuously varying the equivalent focal length of the objective having four groups only the first group being positive
    • G02B15/144113—Optical objectives with means for varying the magnification by axial movement of one or more lenses or groups of lenses relative to the image plane for continuously varying the equivalent focal length of the objective having four groups only the first group being positive arranged +-++
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B15/00—Optical objectives with means for varying the magnification
    • G02B15/14—Optical objectives with means for varying the magnification by axial movement of one or more lenses or groups of lenses relative to the image plane for continuously varying the equivalent focal length of the objective
    • G02B15/144—Optical objectives with means for varying the magnification by axial movement of one or more lenses or groups of lenses relative to the image plane for continuously varying the equivalent focal length of the objective having four groups only
    • G02B15/1445—Optical objectives with means for varying the magnification by axial movement of one or more lenses or groups of lenses relative to the image plane for continuously varying the equivalent focal length of the objective having four groups only the first group being negative
    • G02B15/144511—Optical objectives with means for varying the magnification by axial movement of one or more lenses or groups of lenses relative to the image plane for continuously varying the equivalent focal length of the objective having four groups only the first group being negative arranged -+-+
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B15/00—Optical objectives with means for varying the magnification
    • G02B15/14—Optical objectives with means for varying the magnification by axial movement of one or more lenses or groups of lenses relative to the image plane for continuously varying the equivalent focal length of the objective
    • G02B15/144—Optical objectives with means for varying the magnification by axial movement of one or more lenses or groups of lenses relative to the image plane for continuously varying the equivalent focal length of the objective having four groups only
    • G02B15/1445—Optical objectives with means for varying the magnification by axial movement of one or more lenses or groups of lenses relative to the image plane for continuously varying the equivalent focal length of the objective having four groups only the first group being negative
    • G02B15/144515—Optical objectives with means for varying the magnification by axial movement of one or more lenses or groups of lenses relative to the image plane for continuously varying the equivalent focal length of the objective having four groups only the first group being negative arranged -+++
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B15/00—Optical objectives with means for varying the magnification
    • G02B15/14—Optical objectives with means for varying the magnification by axial movement of one or more lenses or groups of lenses relative to the image plane for continuously varying the equivalent focal length of the objective
    • G02B15/16—Optical objectives with means for varying the magnification by axial movement of one or more lenses or groups of lenses relative to the image plane for continuously varying the equivalent focal length of the objective with interdependent non-linearly related movements between one lens or lens group, and another lens or lens group
    • G02B15/20—Optical objectives with means for varying the magnification by axial movement of one or more lenses or groups of lenses relative to the image plane for continuously varying the equivalent focal length of the objective with interdependent non-linearly related movements between one lens or lens group, and another lens or lens group having an additional movable lens or lens group for varying the objective focal length
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B7/00—Mountings, adjusting means, or light-tight connections, for optical elements
    • G02B7/02—Mountings, adjusting means, or light-tight connections, for optical elements for lenses
    • G02B7/025—Mountings, adjusting means, or light-tight connections, for optical elements for lenses using glue

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Nonlinear Science (AREA)
  • Lenses (AREA)
JP2024509953A 2022-03-24 2023-03-07 変倍光学系及び光学機器 Active JP7821409B2 (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2022047890 2022-03-24
JP2022047890 2022-03-24
PCT/JP2023/008475 WO2023181903A1 (ja) 2022-03-24 2023-03-07 変倍光学系、光学機器及び変倍光学系の製造方法

Publications (3)

Publication Number Publication Date
JPWO2023181903A1 JPWO2023181903A1 (https=) 2023-09-28
JPWO2023181903A5 JPWO2023181903A5 (ja) 2024-11-19
JP7821409B2 true JP7821409B2 (ja) 2026-02-27

Family

ID=88100717

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2024509953A Active JP7821409B2 (ja) 2022-03-24 2023-03-07 変倍光学系及び光学機器

Country Status (4)

Country Link
US (1) US20250199275A1 (https=)
JP (1) JP7821409B2 (https=)
CN (1) CN118805114A (https=)
WO (1) WO2023181903A1 (https=)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP7819912B2 (ja) * 2022-03-29 2026-02-25 株式会社シグマ 大口径比超広角ズームレンズ及びこれを備える撮像装置
JP2024076793A (ja) * 2022-11-25 2024-06-06 キヤノン株式会社 ズームレンズ、およびそれを有する撮像装置、撮像システム
JP2026046644A (ja) * 2024-09-03 2026-03-13 キヤノン株式会社 ズームレンズ及び撮像装置

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001318313A (ja) 2000-05-10 2001-11-16 Canon Inc ズームレンズ及びそれを用いた光学機器
JP2004037925A (ja) 2002-07-04 2004-02-05 Minolta Co Ltd 撮像装置
JP2004069808A (ja) 2002-08-02 2004-03-04 Olympus Corp ズームレンズ及びそれを用いた電子撮像装置
JP2007183664A (ja) 2001-05-14 2007-07-19 Olympus Corp 電子撮像装置
JP2009162809A (ja) 2007-12-28 2009-07-23 Canon Inc 光学系及びそれを有する光学機器
JP2011053307A (ja) 2009-08-31 2011-03-17 Casio Computer Co Ltd ズームレンズ及び投射型表示装置
JP2014126603A (ja) 2012-12-25 2014-07-07 Ricoh Co Ltd 投射用ズームレンズ、投射光学系および画像表示装置
JP2021148872A (ja) 2020-03-17 2021-09-27 株式会社タムロン ズームレンズおよび撮像装置
JP2022065512A (ja) 2020-10-15 2022-04-27 キヤノン株式会社 ズームレンズおよび撮像装置

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH09152552A (ja) * 1995-11-28 1997-06-10 Nikon Corp ズームレンズ
JPH1048521A (ja) * 1996-08-08 1998-02-20 Konica Corp ズームレンズ

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001318313A (ja) 2000-05-10 2001-11-16 Canon Inc ズームレンズ及びそれを用いた光学機器
JP2007183664A (ja) 2001-05-14 2007-07-19 Olympus Corp 電子撮像装置
JP2004037925A (ja) 2002-07-04 2004-02-05 Minolta Co Ltd 撮像装置
JP2004069808A (ja) 2002-08-02 2004-03-04 Olympus Corp ズームレンズ及びそれを用いた電子撮像装置
JP2009162809A (ja) 2007-12-28 2009-07-23 Canon Inc 光学系及びそれを有する光学機器
JP2011053307A (ja) 2009-08-31 2011-03-17 Casio Computer Co Ltd ズームレンズ及び投射型表示装置
JP2014126603A (ja) 2012-12-25 2014-07-07 Ricoh Co Ltd 投射用ズームレンズ、投射光学系および画像表示装置
JP2021148872A (ja) 2020-03-17 2021-09-27 株式会社タムロン ズームレンズおよび撮像装置
JP2022065512A (ja) 2020-10-15 2022-04-27 キヤノン株式会社 ズームレンズおよび撮像装置

Also Published As

Publication number Publication date
CN118805114A (zh) 2024-10-18
JPWO2023181903A1 (https=) 2023-09-28
US20250199275A1 (en) 2025-06-19
WO2023181903A1 (ja) 2023-09-28

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